R.B.I. Baseball 3 (USA) – Play Online SEGA Genesis
R.B.I. Baseball 4 (USA) – Play Online SEGA Genesis
R.B.I. Baseball 93 (USA) – Play Online SEGA Genesis
R.B.I. Baseball 94 (USA, Europe) – Play Online SEGA Genesis
Race Drivin’ (USA) – Play Online SEGA Genesis
Radical Rex (Europe) – Play Online SEGA Genesis
Radical Rex (USA) – Play Online SEGA Genesis
Ragnacenty (Korea) – Play Online SEGA Genesis
Raiden Densetsu ~ Raiden Trad (Japan, USA) – Play Online SEGA Genesis
Rainbow Islands Extra (Japan) – Play Online SEGA Genesis
Rambo III (World) (v1.1) – Play Online SEGA Genesis
Rambo III (World) – Play Online SEGA Genesis
Rampart (USA) – Play Online SEGA Genesis
Ranger-X (Europe) – Play Online SEGA Genesis
Ranger-X (USA) – Play Online SEGA Genesis
Ransei no Hasha (Japan) – Play Online SEGA Genesis
Rastan Saga II (Japan) – Play Online SEGA Genesis
Rastan Saga II (USA) – Play Online SEGA Genesis
Ray in Sonic 1 – Play Online SEGA Genesis
Red Sonic 1 Game Gear Edition (2024) – Play Online SEGA Genesis
Red Sonic The Hedgehog Halloween – Play Online SEGA Genesis
Red Sonic in Sonic 2 – Play Online SEGA Genesis
Red Zone (USA, Europe) – Play Online SEGA Genesis
Ren & Stimpy Show Presents Stimpy’s Invention, The (Europe) – Play Online SEGA Genesis
Ren & Stimpy Show Presents Stimpy’s Invention, The (USA) (Beta) – Play Online SEGA Genesis
Ren & Stimpy Show Presents Stimpy’s Invention, The (USA) – Play Online SEGA Genesis
Rent a Hero (Japan) – Play Online SEGA Genesis
Resq (Europe) (Proto) – Play Online SEGA Genesis
Revenge of Shinobi, The (USA, Europe) (Rev A) – Play Online SEGA Genesis
Revenge of Shinobi, The (USA, Europe) (Rev B) – Play Online SEGA Genesis
Revenge of Shinobi, The (USA, Europe) – Play Online SEGA Genesis
Revolution X (USA, Europe) – Play Online SEGA Genesis
Richard Scarry’s BusyTown (USA) – Play Online SEGA Genesis
Rings of Power (USA, Europe) – Play Online SEGA Genesis
Rise of the Robots (Europe) – Play Online SEGA Genesis
Risk (USA) – Play Online SEGA Genesis
Risky Woods (USA, Europe) – Play Online SEGA Genesis
Ristar (Jul 1, 1994 prototype) – Play Online SEGA Genesis
Ristar (Jul 18, 1994 prototype) – Play Online SEGA Genesis
Ristar (USA, Europe) (August 1994) – Play Online SEGA Genesis
Ristar (USA, Europe) (September 1994) – Play Online SEGA Genesis
Ristar – The Shooting Star (Japan) – Play Online SEGA Genesis
Road Rash (USA, Europe) – Play Online SEGA Genesis
Road Rash 3 (USA) (Alpha) – Play Online SEGA Genesis
Road Rash 3 (USA, Europe) – Play Online SEGA Genesis
Road Rash II (Japan) – Play Online SEGA Genesis
Road Rash II (USA, Europe) – Play Online SEGA Genesis